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author | Mike Buland <eichlan@xagasoft.com> | 2008-12-01 23:10:44 +0000 |
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committer | Mike Buland <eichlan@xagasoft.com> | 2008-12-01 23:10:44 +0000 |
commit | 6f3b85c5af1855e1695885fb28220c34f6a0673f (patch) | |
tree | 07fc5d4f955bc6c58eb7ad88bcce7a8294c53158 /src/cptr.h | |
parent | 350b052cfd866e3b3c7c4626551b49f8b75e55a1 (diff) | |
download | libbu++-6f3b85c5af1855e1695885fb28220c34f6a0673f.tar.gz libbu++-6f3b85c5af1855e1695885fb28220c34f6a0673f.tar.bz2 libbu++-6f3b85c5af1855e1695885fb28220c34f6a0673f.tar.xz libbu++-6f3b85c5af1855e1695885fb28220c34f6a0673f.zip |
Wow, that's a lot of changes. You can use anything as a key now, as long as it
can be hashed. And we're about to test actually loading and saving persistant
cache items. Fun.
Diffstat (limited to 'src/cptr.h')
-rw-r--r-- | src/cptr.h | 18 |
1 files changed, 8 insertions, 10 deletions
@@ -3,31 +3,29 @@ | |||
3 | 3 | ||
4 | namespace Bu | 4 | namespace Bu |
5 | { | 5 | { |
6 | template<class obtype> class Cache; | 6 | template<class obtype, class keytype> class Cache; |
7 | 7 | ||
8 | /** | 8 | /** |
9 | * Cache Pointer - Provides access to data that is held within the cache. | 9 | * Cache Pointer - Provides access to data that is held within the cache. |
10 | * This provides safe, refcounting access to data stored in the cache, with | 10 | * This provides safe, refcounting access to data stored in the cache, with |
11 | * support for lazy loading. | 11 | * support for lazy loading. |
12 | */ | 12 | */ |
13 | template<class obtype> | 13 | template<class obtype, class keytype> |
14 | class CPtr | 14 | class CPtr |
15 | { | 15 | { |
16 | friend class Bu::Cache<obtype>; | 16 | friend class Bu::Cache<obtype, keytype>; |
17 | public: | ||
18 | typedef long cid_t; /**< Cache ID type. Unique cache entry ID. */ | ||
19 | private: | 17 | private: |
20 | CPtr( Cache<obtype> &rCache, obtype *pData ) : | 18 | CPtr( Cache<obtype, keytype> &rCache, obtype *pData ) : |
21 | rCache( rCache ), | 19 | rCache( rCache ), |
22 | pData( pData ) | 20 | pData( pData ) |
23 | { | 21 | { |
24 | rCache.incRef( cId ); | 22 | rCache.incRef( kId ); |
25 | } | 23 | } |
26 | 24 | ||
27 | public: | 25 | public: |
28 | virtual ~CPtr() | 26 | virtual ~CPtr() |
29 | { | 27 | { |
30 | rCache.decRef( cId ); | 28 | rCache.decRef( kId ); |
31 | } | 29 | } |
32 | 30 | ||
33 | obtype &operator*() | 31 | obtype &operator*() |
@@ -41,9 +39,9 @@ namespace Bu | |||
41 | } | 39 | } |
42 | 40 | ||
43 | private: | 41 | private: |
44 | Bu::Cache<obtype> &rCache; | 42 | Bu::Cache<obtype, keytype> &rCache; |
45 | obtype *pData; | 43 | obtype *pData; |
46 | cid_t cId; | 44 | keytype kId; |
47 | }; | 45 | }; |
48 | }; | 46 | }; |
49 | 47 | ||